Creamy Seafood Chowder

Name: Creamy Seafood Chowder
Ingredients: 24 clams (rinsed); 2 lbs rock shrimp (cleaned); 2 lbs halibut steaks (skinless, cut into 1-inch pieces); 2 celery stalks (diced); 2 leeks (tops discarded, white part diced); 6 garlic cloves (minced); 2 sprigs fresh garlic (chopped); 1 lb fingerling potatoes (blanched and diced); 1 cup Tom Gore Vineyards Chardonnay; 4 cups fish stock; 2 cups heavy cream; 1/4 cup butter; 1/4 cup all-purpose flour; 1/2 lemon (juiced); 4 sprigs fresh parsley; to taste salt; to taste ground black pepper